From 4867b634b7c0e5ede258b4998fa4b2710e7daacf Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Mon, 30 Sep 2013 13:16:52 -0300 Subject: ARM: mx5: Enable L2 cache Enable L2 cache for improving the system performance. Signed-off-by: Fabio Estevam --- arch/arm/cpu/armv7/mx5/lowlevel_init.S | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'arch/arm/cpu/armv7/mx5/lowlevel_init.S') diff --git a/arch/arm/cpu/armv7/mx5/lowlevel_init.S b/arch/arm/cpu/armv7/mx5/lowlevel_init.S index 25fadf6..97077fd 100644 --- a/arch/arm/cpu/armv7/mx5/lowlevel_init.S +++ b/arch/arm/cpu/armv7/mx5/lowlevel_init.S @@ -45,6 +45,12 @@ #endif mcr 15, 1, r0, c9, c0, 2 + + /* enable L2 cache */ + mrc 15, 0, r0, c1, c0, 1 + orr r0, r0, #2 + mcr 15, 0, r0, c1, c0, 1 + .endm /* init_l2cc */ /* AIPS setup - Only setup MPROTx registers. -- cgit v1.1 From 357efe69e9d70bd510d7a1720bf2d0084ec5e91e Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Mon, 30 Sep 2013 18:28:54 -0300 Subject: mx5: lowlevel_init: Remove unused macro setup_wdog macro is not used anywhere, so just remove it. Signed-off-by: Fabio Estevam Acked-by: Stefano Babic --- arch/arm/cpu/armv7/mx5/lowlevel_init.S | 6 ------ 1 file changed, 6 deletions(-) (limited to 'arch/arm/cpu/armv7/mx5/lowlevel_init.S') diff --git a/arch/arm/cpu/armv7/mx5/lowlevel_init.S b/arch/arm/cpu/armv7/mx5/lowlevel_init.S index 97077fd..f5bc672 100644 --- a/arch/arm/cpu/armv7/mx5/lowlevel_init.S +++ b/arch/arm/cpu/armv7/mx5/lowlevel_init.S @@ -375,12 +375,6 @@ setup_pll_func: #endif /* CONFIG_MX53 */ .endm -.macro setup_wdog - ldr r0, =WDOG1_BASE_ADDR - mov r1, #0x30 - strh r1, [r0] -.endm - ENTRY(lowlevel_init) mov r10, lr mov r4, #0 /* Fix R4 to 0 */ -- cgit v1.1